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sivabalan
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Join Date: Oct 2009
Posts: 14

Failure of Graphite Tubes

07/21/2011 12:18 PM

Sir

In our plant we using graphite tube heat exchanger for concentrating the Phosphoric acid. Temperature of acid will be around 90 deg C. nowadays we experience frequent tube failures. we checked most of possibilities, all goin fine..

Help me to overcome this problem.
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Anonymous Poster #1
#1

Re: Failure of Graphite tubes

07/21/2011 12:26 PM

Siva,

This morning I tried to start my automobile by turning the key. Nothing happened.

Help me to overcome the problem,
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sivabalan
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Join Date: Oct 2009
Posts: 14
#2
In reply to #1

Re: Failure of Graphite tubes

07/21/2011 12:37 PM

sir check for gas level in the fuel tank..
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rakesh_semwal
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India - Member - New Member Engineering Fields - Electromechanical Engineering - New Member

Join Date: Oct 2006
Location: India, 200 Km. North of Delhi.
Posts: 1393
Good Answers: 53
#3

Re: Failure of Graphite tubes

07/21/2011 12:58 PM

You just told failure, Not that what is the kind of failure, and what all possibilities you had already studied? so that other can rule out those and think some new one.
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redfred
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Engineering Fields - Electrical Engineering - Been there, done that. Engineering Fields - Control Engineering - New Member

Join Date: Dec 2008
Location: Long Island NY
Posts: 15600
Good Answers: 981
#4

Re: Failure of Graphite Tubes

07/21/2011 3:10 PM

There are failures and then there are failures.

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redfred
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Engineering Fields - Electrical Engineering - Been there, done that. Engineering Fields - Control Engineering - New Member

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Location: Long Island NY
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#5

Re: Failure of Graphite Tubes

07/21/2011 3:16 PM

On a less sarcastic level, you need to go back over your failure reports and look for a common thread or factor to your failures. Maybe the replacement tubes are not the same quality as your original tubes. Maybe something other than the tubes have been damaged that you are not replacing. You have the pertinent data somewhere in your system. We do not.

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burt
Member

Join Date: Jun 2008
Posts: 8
#6

Re: Failure of Graphite Tubes

07/22/2011 6:50 AM

What kind of failures are you seeing? Tube breakage, Plugging ???? Are you using tubes from the manufacturer or substituting?
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bioramani
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Join Date: Jun 2009
Location: Bangalore, India
Posts: 725
Good Answers: 24
#7

Re: Failure of Graphite Tubes

07/22/2011 7:38 AM

Have you tried contacting the R&D division of Graphite India Limited?

http://www.graphiteindia.com/graphitetube.htm

They may have a solution.

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Anonymous Poster (1); bioramani (1); burt (1); rakesh_semwal (1); redfred (2); sivabalan (1)

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